The girl, named Lily, then finds a way to show the Man on the Moon he’s not alone when she wraps a special gift - a telescope - and attaches 13 helium filled balloons to send it soaring into the sky.

since the advert was posted online, one model of the telescope - a Celestron TravelScope C21035 priced at £79 - has already sold out on the retailer’s website.

Blurrt, which is based in Cwmbran, found the volume of tweets has been consistent throughout the morning but peaked at 8.47am which is prime commuting time.

Volume has been consistent throughout the morning but peaked at 08.47 which is prime commuting time

Jason Smith, CEO, said: “What our data shows is that John Lewis has hit the nail on the head again with their Christmas marketing strategy and have stimulated a fantastic response on social channels.

“Social media is a competitive market at the best of times, let alone during the extremely congested run-up to the festive season. To stand out, advertising campaigns need to find ways to strike an emotional chord with audiences.

“Our technology analyses audience reactions which enables us to identify an emotional connection between consumers and brands. It also demonstrates the value and importance of Twitter for brands.”

The sentiment has been consistently positive through ... with 55% positive, 31% negative and 13% neutral

They also found the adverts evoked a strong emotional reaction with the majority of emotional tweets consistently expressing sadness (45%), love (25%) and happiness (12%)

The sentiment was also found to be consistently positive throughout the morning with 55% positive, 31% negative and 13% neutral

​Positive tweets have been focused around

Congratulations to John Lewis who’ve ‘done it again’

The advert is cute / adorable/ loveable

Great song choice and cover

Negative tweets have focused around

The story is too unrealistic

It’s not a good as the previous two years

The advert is too sad/ depressing

More females than males have engaged with the advert on Twitter, with 41% of the conversation coming from females and 27% from males.

John Lewis’s own tweet which launched the advert this morning has been the most re-tweeted tweet so far